CN112173875A

CN112173875A - Rolling roller shaft and overlapped plastic bag rolling device

Info

Publication number: CN112173875A
Application number: CN202011159030.9A
Authority: CN
Inventors: 刘修双; 谢晋良
Original assignee: Xiamen Alliance Plastics Technology Co ltd
Current assignee: Xiamen Alliance Plastics Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-01-05

Abstract

The invention provides a winding roller shaft and an overlapped plastic bag winding device. A take-up roller comprising: the planking module, the planking module includes: the adsorption plate comprises at least two circular arc plates and an adsorption plate spliced between the circular arc plates; the adsorption plate is provided with adsorption holes at intervals; the transmission part is arranged on the inner side of the outer plate module; the matching module is connected between the outer plate module and the transmission part; the power module is connected to the transmission piece; the two ends of the elastic piece are respectively connected to one end of the circular arc plate, which is far away from the power module; when the power module drives the transmission part to move, displacement occurs in the matching module, and the outer diameter size of the outer plate module changes. The plastic bag roll winding device is ingenious in design, plastic bags are adsorbed outside the roll shaft in a vacuum adsorption mode by controlling the change of the outer diameter size of the winding roll shaft, and the wound plastic bag roll is prevented from being torn due to the fact that the plastic bags are too attached to the winding roll shaft.

Description

Rolling roller shaft and overlapped plastic bag rolling device

Technical Field

The invention relates to the field of winding equipment, in particular to a winding roller shaft and an overlapped plastic bag winding device.

Background

At present, in order to facilitate packaging and transportation, a common plastic bag is manufactured into a continuous bag shape and then is wound into a cylindrical shape, a dotted line is formed between two adjacent plastic bags, when a user wants to take the plastic bag, the dotted line is used for pulling off the next bag, although the mode of using the plastic bag by tearing off is common in life, the rolled plastic bag needs to be held by one hand and torn off by the other hand when the plastic bag is torn off, so that the use is quite inconvenient, and in the process of tearing off, if the rolled plastic bag is not taken, the rolled plastic bag is easily scattered, and therefore the plastic bag needs to be rewound. Therefore, although the existing plastic bag rolled into a cylinder has the advantages of convenience in packaging and transportation, the plastic bag has the defect of inconvenient breaking, and especially when the plastic bag is taken by a shopping mall by oneself, if the bulk articles are just taken by hands, the plastic bag is inconvenient to be taken by two hands simultaneously. Therefore, machines have been developed in the market which previously stretch-break the plastic bag in the form of a continuous band from the broken line and partially overlap two adjacent plastic bags.

However, in the existing overlapped plastic bag rolling equipment in the market, the innermost plastic bag is too tightly attached to the rolling roller shaft, so that when the overlapped plastic bag is pushed out by the material pushing mechanism, the innermost plastic bag can be torn due to pulling of the pushing force, and when the rolled plastic bag is used, the last plastic bags are often discarded due to damage, so that the yield of the product is influenced, and the tombstone evaluation of the product is also influenced.

Disclosure of Invention

The invention aims to provide a winding roller shaft and an overlapped plastic bag winding device.

The invention aims to solve the problem that when the plastic bag roll is pushed out, the plastic bag at the innermost layer in the plastic bag roll is not torn and damaged.

Compared with the prior art, the technical scheme and the beneficial effects of the invention are as follows:

a take-up roller comprising: the planking module, the planking module includes: the adsorption plate comprises at least two circular arc plates and an adsorption plate spliced between the circular arc plates; the adsorption plate is provided with adsorption holes at intervals; the transmission part is arranged on the inner side of the outer plate module; the matching module is connected between the outer plate module and the transmission part; the power module is connected to the transmission piece; the two ends of the elastic piece are respectively connected to one end of the circular arc plate, which is far away from the power module; when the power module drives the transmission part to move, displacement occurs in the matching module, and the outer diameter size of the outer plate module changes.

As a further improvement, a vacuum cavity is arranged on the transmission part and communicated with the adsorption hole.

As a further improvement, the mating module comprises: the pushing block is connected to one end, far away from the power module, of the transmission part; and the cushion block is arranged on the inner side of the circular arc plate and is matched with the push block.

As a further improvement, the device also comprises a clamp fixed on the outer side of the arc plate.

As a further improvement, the number of the circular arc plates is 2.

As a further improvement, the power module further comprises an elastic piece, and two ends of the elastic piece are respectively connected to one end, far away from the power module, of the circular arc plate.

As a further improvement, the power module is a first cylinder.

As further improvement, still include the joint in the connecting piece of driving medium, power module one end is fixed to be set up, the power module other end connect in the connecting piece.

A winding apparatus for overlapped plastic bags, comprising: the rolling roll shaft is arranged on the rotary table; the motor is connected with the winding roller shaft and drives the winding roller shaft to rotate; and the pushing mechanism is matched with the winding roller shaft.

As a further improvement, the pushing mechanism includes: a second cylinder; the pushing plate is connected to the output end of the second cylinder, four clamping grooves are formed in the periphery of the outer circle edge of the pushing plate in an evenly-divided mode, and the winding roller shaft is arranged in one of the clamping grooves.

The invention has the beneficial effects that:

an outer plate module is arranged in a split mode, a matching module is arranged in the outer plate module, a pushing block drives a transmission part to move through a connecting piece, and the change of the outer diameter size of the winding roll shaft is realized through the overlapping between the pushing block and a cushion block; the outer diameter of the winding roller shaft during winding is larger than that during pushing, so that plastic bags on the innermost layer of the plastic bag roll cannot be torn due to excessive attachment to the winding roller shaft;

the planking module is including the adsorption plate that is equipped with the adsorption hole, and adsorption hole department has vacuum negative pressure for the plastic bag adsorbs at the rolling roller surface, and the motor drives the rolling roller and carries out the rotation, thereby realizes the rolling to overlapping the plastic bag.

Drawings

Fig. 1 is a perspective view of a take-up roller according to an embodiment of the present invention.

Fig. 2 is an exploded view of a wind-up roller according to an embodiment of the present invention.

Fig. 3 is a structural sectional view of a take-up roller according to an embodiment of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Fig. 5 is a schematic structural view of an overlapped plastic bag rolling device provided by an embodiment of the invention.

In the figure: 1. winding roll shaft 11, outer plate module 111, arc plate 112 and adsorption plate

1121. Adsorption hole 12, transmission member 121, vacuum cavity 13 and matching module

131. Push block 132, cushion block 14, power module 15, hoop 16 and elastic part

17. Connecting piece 2, pushing mechanism 21, pushing plate 211, clamping groove 3 and rotary disc

4. Electric machine

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Referring to fig. 1 to 5, a wind-up roller 1 includes: an outer panel module 11, the outer panel module 11 comprising: at least two circular arc plates 111 and an adsorption plate 112 spliced between the circular arc plates 111; the adsorption plate 112 is provided with adsorption holes 1121 at intervals; a transmission member 12 disposed inside the outer plate module 11; a matching module 13 connected between the outer plate module 11 and the transmission member 12; a power module 14 connected to the transmission member 12; when the power module 14 drives the transmission member 12 to move, the inside of the matching module 13 is displaced, and the outer diameter of the outer plate module 11 is changed. An outer plate module 11 arranged in a split mode is adopted, a matching module 13 is arranged in the outer plate module 11, a pushing block 131 drives a transmission piece 12 to move through a connecting piece 17, and the outer diameter size of the winding roller shaft 1 is changed through overlapping between the pushing block 131 and a cushion block 132; the outer diameter of the winding roller shaft 1 during winding is larger than that during pushing, so that plastic bags on the innermost layer of the plastic bag roll cannot be torn due to excessive adhesion to the winding roller shaft 1; the outer plate module 11 includes an adsorption plate 112 having adsorption holes 1121, and the adsorption holes 1121 are provided with vacuum negative pressure, so that the plastic bag is adsorbed on the outer surface of the winding roller shaft 1, and the motor 4 drives the winding roller shaft 1 to rotate, thereby realizing the winding of the overlapped plastic bags.

Referring to fig. 3, a vacuum cavity 121 is disposed on the transmission member 12, and the vacuum cavity 121 is communicated with the absorption hole 1121. The vacuum chamber 121 is connected to a vacuum generating device, so that a negative pressure is generated at the suction hole 1121, and the plastic bag can be easily sucked onto the take-up roller 1.

Referring to fig. 2 to 4, the mating module 13 includes: a push block 131 connected to one end of the transmission member 12 away from the power module 14; and the cushion block 132 is arranged on the inner side of the circular arc plate 111, and the cushion block 132 is matched with the push block 131. The power module 14 drives the transmission member 12 to move through the connecting member 17, so as to overlap and separate the cushion block 132 and the push block 131, and thus the size of the outer plate module 11 changes.

Referring to fig. 1 to 2, the winding roller shaft 1 further includes a hoop 15 fixed to the outer side of the arc plate 111, the hoop 15 has a certain deformation capacity, and when the arc plate 111 is displaced, the hoop 15 is arranged to limit the arc plate 111.

Referring to fig. 2, the number of the arc plates 111 is 2.

Referring to fig. 5, the winding roller shaft 1 further includes an elastic member 16, and both ends of the elastic member 16 are respectively connected to one end of the circular arc plate 111 away from the power module 14. The elastic member 16 is disposed such that a certain tensile force is applied between the circular arc plates 111.

The power module 14 is a first cylinder.

Referring to fig. 3, the winding roller shaft 1 further includes a connecting member 17 connected to the transmission member 12 in a clamping manner, one end of the power module 14 is fixedly disposed, and the other end of the power module 14 is connected to the connecting member 17. The power module 14 drives the transmission member 12 to move back and forth through the connecting member 17.

Referring to fig. 5, a overlapped plastic bag winding apparatus includes: the rotary table 3 is provided with the winding roller shaft 1; the motor 4 is connected to the winding roller shaft 1, and the motor 4 drives the winding roller shaft 1 to rotate; and the pushing mechanism 2 is matched with the winding roller shaft 1. The material pushing mechanism 2 includes: a second cylinder (not shown); the pushing plate 21 is connected to the output end of the second cylinder, four clamping grooves 211 are equally formed in the periphery of the outer circle edge of the pushing plate 21, and the winding roller shaft 1 is arranged in one of the clamping grooves 211. The quantity of rolling roller 1 is 4, rolling roller 1 sets up around the axis equipartition of carousel 3.

The invention further provides a method for winding the overlapped plastic bags, wherein the method comprises the steps of arranging the overlapped plastic bag winding device at the output end of equipment, arranging a bag breaking and overlapping device at the input end of the equipment, pulling the strip-shaped plastic bags manufactured by a bag making machine into the bag breaking and overlapping device, breaking the plastic bags into plastic bag finished products from point-breaking positions by the bag breaking and overlapping device, conveying two adjacent plastic bags to the overlapped plastic bag winding device in a partially overlapped mode, winding the plastic bags into a roll shape by the overlapped plastic bag winding device, and finally conveying the plastic bags to a discharging mechanism. The invention protects the overlapped plastic bag winding device, and other mechanisms are all in the prior art, which are not described again.

The working principle of the winding roller shaft 1 and the overlapped plastic bag winding device provided by the invention is as follows:

before the plastic bag is wound by the winding roller shaft 1, the first cylinder is pushed out, the first cylinder drives the transmission piece 12 to displace through the connecting piece 17, so that the relative position between the push block 131 and the cushion block 132 changes, the push block 131 and the cushion block 132 are overlapped, and finally the outer diameter of the outer plate module 11 is increased; the plastic bag is adsorbed on the winding roller shaft 1 by the negative pressure at the adsorption holes 1121; the motor 4 drives the winding roller shaft 1 to rotate, and because the two adjacent plastic bags are partially overlapped, the plastic bags are wound into a plastic bag roll along with the rotation of the winding roller shaft 1;

after the plastic bag is rolled, the first cylinder is retracted, the push block 131 returns to the initial position, no overlap exists between the push block 131 and the cushion block 132, the outer diameter of the outer plate module 11 is reduced to the initial size due to the pulling force of the elastic element 16, the vacuum generating device stops working, no negative pressure exists at the position of the adsorption hole 1121, and the motor 4 stops rotating; rotating the turntable 3 by 90 degrees, and taking the next winding roller shaft 1 in place to prepare the next plastic bag winding process;

because the winding roller shaft 1 is arranged in one of the clamping grooves 211, the second cylinder drives the material pushing plate 21 to move outwards, the material pushing plate 21 separates the wound plastic bag from the winding roller shaft 1, and then the second cylinder is recovered to the original position; as shown in fig. 5, the rotation of the turntable 3 drives the winding roller shaft 1 to rotate, and further drives the material pushing plate 21 to rotate through the clamping cooperation and separation between the winding roller shaft 1 and the clamping groove 211.

The working principle, working process and the like of the present embodiment can refer to the corresponding contents of the foregoing embodiments.

The same or similar parts in the above embodiments in this specification may be referred to each other, and each embodiment is described with emphasis on differences from other embodiments, but the differences are not limited to be replaced or superimposed with each other.

The above examples are only for illustrating the technical solutions of the present invention and not for limiting the same. It will be understood by those skilled in the art that any modifications and equivalents may be made thereto without departing from the spirit and scope of the present invention as set forth in the appended claims.

Claims

1. A take-up roller shaft, comprising:

the planking module, the planking module includes: the adsorption plate comprises at least two circular arc plates and an adsorption plate spliced between the circular arc plates; the adsorption plate is provided with adsorption holes at intervals;

the transmission part is arranged on the inner side of the outer plate module;

the matching module is connected between the outer plate module and the transmission part;

the power module is connected to the transmission piece;

the two ends of the elastic piece are respectively connected to one end of the circular arc plate, which is far away from the power module;

when the power module drives the transmission part to move, displacement occurs in the matching module, and the outer diameter size of the outer plate module changes.

2. The wind-up roll shaft of claim 1, wherein the transmission member is provided with a vacuum chamber, and the vacuum chamber is communicated with the absorption hole.

3. The wind-up roller of claim 1, wherein the mating module comprises:

the pushing block is connected to one end, far away from the power module, of the transmission part;

and the cushion block is arranged on the inner side of the circular arc plate and is matched with the push block.

4. The wind-up roller of claim 1 further comprising a clip secured to an outer side of the circular arc plate.

5. The wind-up roller shaft of claim 1 wherein the number of circular arc plates is 2.

6. The wind-up roll shaft of claim 1, wherein the power module is a first air cylinder.

7. The winding roller shaft according to claim 6, further comprising a connecting member engaged with the transmission member, wherein one end of the power module is fixedly disposed, and the other end of the power module is connected to the connecting member.

8. The utility model provides an overlap plastic bag coiling mechanism which characterized in that includes:

-a turntable on which at least one take-up roller according to any one of claims 1 to 7 is mounted;

the motor is connected with the winding roller shaft and drives the winding roller shaft to rotate;

and the pushing mechanism is matched with the winding roller shaft.

9. The apparatus for winding overlapped plastic bags as claimed in claim 8, wherein the pushing mechanism comprises: a second cylinder; the pushing plate is connected to the output end of the second cylinder, four clamping grooves are formed in the periphery of the outer circle edge of the pushing plate in an evenly-divided mode, and the winding roller shaft is arranged in one of the clamping grooves.